<app-three-link [area]="area" (areaOut)="changeArea($event)" ></app-three-link>

<div class="bg"></div>
<div class="linear-gradient"></div>
<div class="font">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempora repellendus tempore sed. Consequatur, repellendus, ullam, ducimus aliquam asperiores officia repudiandae tempore dolorem distinctio sint mollitia quod perspiciatis soluta recusandae blanditiis.</div>